diff --git a/build/ci/templates/jobs/build_compile.yml b/build/ci/templates/jobs/build_compile.yml
index 13b6915f7e3d..8a258787070e 100644
--- a/build/ci/templates/jobs/build_compile.yml
+++ b/build/ci/templates/jobs/build_compile.yml
@@ -4,25 +4,25 @@
 jobs:
   - job: Compile
     pool:
-      vmImage: 'ubuntu-16.04'
+      vmImage: 'ubuntu-20.04'
     steps:
       - template: ../steps/compile.yml
 
   - job: Build
     pool:
-      vmImage: 'ubuntu-16.04'
+      vmImage: 'ubuntu-20.04'
     steps:
       - template: ../steps/build.yml
 
   - job: Dependencies
     pool:
-      vmImage: 'ubuntu-16.04'
+      vmImage: 'ubuntu-20.04'
     steps:
       - template: ../steps/dependencies.yml
 
   - job: Hygiene
     pool:
-      vmImage: 'ubuntu-16.04'
+      vmImage: 'ubuntu-20.04'
     steps:
       - template: ../steps/initialization.yml
         parameters:
diff --git a/build/ci/templates/jobs/coverage.yml b/build/ci/templates/jobs/coverage.yml
index 50fb4af733e0..26914271f5f0 100644
--- a/build/ci/templates/jobs/coverage.yml
+++ b/build/ci/templates/jobs/coverage.yml
@@ -1,7 +1,7 @@
 jobs:
   - job: Coverage
     pool:
-      vmImage: 'ubuntu-16.04'
+      vmImage: 'ubuntu-20.04'
     variables:
       TestsToRun: 'testUnitTests'
     steps:
diff --git a/build/ci/vscode-python-ci-manual.yaml b/build/ci/vscode-python-ci-manual.yaml
index bad74182082c..b16482e851be 100644
--- a/build/ci/vscode-python-ci-manual.yaml
+++ b/build/ci/vscode-python-ci-manual.yaml
@@ -64,7 +64,7 @@ stages:
               NeedsIPythonReqs: true
           #maxParallel: 3
         pool:
-          vmImage: 'ubuntu-16.04'
+          vmImage: 'ubuntu-20.04'
         steps:
           - template: templates/test_phases.yml
 
@@ -91,7 +91,7 @@ stages:
               NeedsPythonTestReqs: true
           #maxParallel: 3
         pool:
-          vmImage: 'ubuntu-16.04'
+          vmImage: 'ubuntu-20.04'
         steps:
           - template: templates/test_phases.yml
 
@@ -128,7 +128,7 @@ stages:
               NeedsPythonTestReqs: true
           #maxParallel: 3
         pool:
-          vmImage: 'ubuntu-16.04'
+          vmImage: 'ubuntu-20.04'
         steps:
           - template: templates/test_phases.yml
 
diff --git a/build/ci/vscode-python-ci.yaml b/build/ci/vscode-python-ci.yaml
index 31d40da97d76..a53aea5170db 100644
--- a/build/ci/vscode-python-ci.yaml
+++ b/build/ci/vscode-python-ci.yaml
@@ -72,7 +72,7 @@ stages:
               NeedsIPythonReqs: true
           maxParallel: 2
         pool:
-          vmImage: 'ubuntu-16.04'
+          vmImage: 'ubuntu-20.04'
         steps:
           - template: templates/test_phases.yml
 
@@ -100,7 +100,7 @@ stages:
               NeedsPythonTestReqs: true
           maxParallel: 2
         pool:
-          vmImage: 'ubuntu-16.04'
+          vmImage: 'ubuntu-20.04'
         steps:
           - template: templates/test_phases.yml
 
diff --git a/build/ci/vscode-python-nightly-ci.yaml b/build/ci/vscode-python-nightly-ci.yaml
index 228909a49162..aa3bc2d007cb 100644
--- a/build/ci/vscode-python-nightly-ci.yaml
+++ b/build/ci/vscode-python-nightly-ci.yaml
@@ -68,7 +68,7 @@ stages:
               NeedsIPythonReqs: true
           maxParallel: 1
         pool:
-          vmImage: 'ubuntu-16.04'
+          vmImage: 'ubuntu-20.04'
         steps:
           - template: templates/test_phases.yml
 
@@ -108,7 +108,7 @@ stages:
             # Note: We only run the smoke tests with the latest Python release.
           maxParallel: 1
         pool:
-          vmImage: 'ubuntu-16.04'
+          vmImage: 'ubuntu-20.04'
         steps:
           - template: templates/test_phases.yml
 
@@ -148,7 +148,7 @@ stages:
             # Note: We only run the smoke tests with the latest Python release.
           maxParallel: 1
         pool:
-          vmImage: 'ubuntu-16.04'
+          vmImage: 'ubuntu-20.04'
         steps:
           - template: templates/test_phases.yml
 
@@ -184,7 +184,7 @@ stages:
             # Note: We only run the smoke tests with the latest Python release.
           maxParallel: 1
         pool:
-          vmImage: 'ubuntu-16.04'
+          vmImage: 'ubuntu-20.04'
         steps:
           - template: templates/test_phases.yml
 
diff --git a/build/ci/vscode-python-nightly-flake-ci.yaml b/build/ci/vscode-python-nightly-flake-ci.yaml
index db168f479927..6c7a7b3e73b0 100644
--- a/build/ci/vscode-python-nightly-flake-ci.yaml
+++ b/build/ci/vscode-python-nightly-flake-ci.yaml
@@ -46,7 +46,7 @@ stages:
               NeedsPythonFunctionalReqs: true
               VSCODE_PYTHON_ROLLING: true
         pool:
-          vmImage: 'ubuntu-16.04'
+          vmImage: 'ubuntu-20.04'
         steps:
           - template: templates/test_phases.yml
 
diff --git a/build/ci/vscode-python-pr-validation.yaml b/build/ci/vscode-python-pr-validation.yaml
index fa817bf379b5..38042886a163 100644
--- a/build/ci/vscode-python-pr-validation.yaml
+++ b/build/ci/vscode-python-pr-validation.yaml
@@ -63,7 +63,7 @@ stages:
               NeedsPythonTestReqs: true
               NeedsIPythonReqs: true
         pool:
-          vmImage: 'ubuntu-16.04'
+          vmImage: 'ubuntu-20.04'
         steps:
           - template: templates/test_phases.yml
 
@@ -82,7 +82,7 @@ stages:
               NeedsPythonTestReqs: true
               NeedsPythonFunctionalReqs: true
         pool:
-          vmImage: 'ubuntu-16.04'
+          vmImage: 'ubuntu-20.04'
         steps:
           - template: templates/test_phases.yml